CN113088412B - Preparation method of calcined pearl calcium powder composition for cleaning vegetables - Google Patents
Preparation method of calcined pearl calcium powder composition for cleaning vegetables Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/02—Inorganic compounds
- C11D7/20—Water-insoluble oxides
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/40—Products in which the composition is not well defined
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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Abstract
The invention discloses a preparation method of a calcined pearl calcium powder composition for cleaning vegetables, which comprises the following steps of firstly grinding pearl powder or pearl layer powder, cleaning with acid and drying; then calcining at 820-; then mixing with sodium metasilicate and molybdenum disulfide, adding phenolic resin for tabletting, then calcining again at 1080-1200 ℃, cooling, grinding to obtain pearl superfine calcium powder, finally adding a preservative and a heavy metal removal microbial inoculum, and uniformly mixing. The calcined pearl calcium powder composition for cleaning vegetables removes heavy metal ions through a common precipitation mechanism, has strong hydrophobicity to adsorb oil stains, can degrade most acidic pesticides due to alkalinity, and can adsorb and filter impurities due to small overall surface area of precipitate particles. In the invention, the special heavy metal removing microbial inoculum is added into the calcined pearl calcium powder composition, so that the effect of removing heavy metals can be effectively improved by adding water for soaking in a short time.
Description
Technical Field
The invention relates to a preparation method of a vegetable cleaning agent, in particular to a preparation method of a calcined pearl calcium powder composition for cleaning vegetables, and belongs to the technical field of detergent production.
Background
The human life can grow healthily without leaving vegetables, fruits, rice, eggs, meat, aquatic products and the like, is a good source for human bodies to ingest vitamins, carbohydrates, protein fat, amino acids, proteins, cellulose, mineral substances and inorganic salts, and is necessary food in daily life of people. Water washing is required before the direct consumption and cooking of food products, which often contain large amounts of pesticide, spices, pigments, paraffins, fertilizers, oil stains, fishy residues and soils on their surfaces. After the vegetables with pesticide residues exceeding the standard are eaten, the vegetables can directly harm the nervous system, liver, kidney and other important organs of a human body. Tens of thousands of people lose their lives each year due to pesticide poisoning. The harmful bacteria commonly found in vegetables mainly include pathogenic Escherichia coli, fecal Escherichia coli group, and mold. Most foods have additives, and once the additives enter human bodies, the additives can prevent normal physiological changes of human bodies, and the digestion function of human bodies can be slowly destroyed. Experts show that heavy metals can damage the nervous system, cause reaction retardation, dementia, femoral head necrosis and liver damage, and even cause cancer of human bodies, especially weak groups such as old people and children.
During storage and transport, a large number of microorganisms must be produced, which all cause difficulties in cleaning and handling of the product. People often use clear water or detergent to wash edible products when washing the edible products. Most of the currently sold detergent in China market is a chemical synthesis product, residue can be caused due to incomplete washing, the human health and the environmental pollution are very unfavorable, and microorganisms, pesticides and oil stain substances can remain on hands and clothes in the product washing process, so that great inconvenience is brought to the life. The existing market urgently needs a product cleaning agent which has obvious effects of degradable pesticides, paraffin, pigment, spice, oil stain and fishy smell and is green, environment-friendly and degradable to improve the existing problems.
The Chinese invention patent CN105779171A discloses a micro-nano shell powder fruit and vegetable cleaning agent and a preparation method thereof, and the micro-nano shell powder is added with citric acid, sodium metasilicate and sodium citrate to prepare the shell powder-based fruit and vegetable cleaning agent. The cleaning agent has the functions of adsorbing dirt, pesticide and grease, sterilizing and preserving freshness, and can achieve the effects of removing fishy smell and peculiar smell. The Chinese invention patent CN108277107A discloses a shell powder fruit and vegetable cleaning agent and a preparation method thereof, wherein the cleaning agent comprises the following raw materials in parts by weight: 75-80 parts of shell powder, 12-15 parts of sea salt and 8-12 parts of an auxiliary agent; can quickly remove pesticide residue and kill bacteria, and has no secondary pollution. Chinese invention patent CN106858609A discloses a multi-purpose natural marine biological calcium preparation, which is prepared by compounding marine biological calcium raw material, grinding, sieving and incompletely calcining for many times to prepare biological calcium powder with a porous microstructure with nano-scale pore diameter, and compounding with other calcium preparations; the cleaning agent can be used for efficiently removing harmful substances attached to the surfaces of food materials such as fruits and vegetables and tableware, and is safe and free of secondary pollution.
However, the cleaning agent mainly aims at dirt, pesticides, grease or microorganisms outside the fruits and vegetables, but ignores the current increasingly serious heavy metal pollution, and has poor effect of removing the heavy metals. Therefore, it is necessary to research a preparation method of the calcined pearl calcium powder composition for cleaning vegetables, which has a good effect of removing heavy metals.
Disclosure of Invention
The invention aims to provide a preparation method of a calcined pearl calcium powder composition for cleaning vegetables, which aims to solve the problems in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a preparation method of a calcined pearl calcium powder composition for cleaning vegetables comprises the following steps:
A. grinding pearl powder or nacreous layer powder, sieving with 120 mesh sieve to obtain pearl calcium powder, soaking and cleaning with 0.1-0.2% hydrochloric acid for 15-25min to remove organic and inorganic impurities on the surface of the pearl calcium powder, cleaning with deionized water, and drying in oven;
B. heating the pearl calcium powder in a muffle furnace to 850 ℃ under the condition of introducing air, keeping the temperature for 1.5-2.5h, cooling, grinding the calcined product, and sieving with a 325-mesh sieve to obtain pearl fine calcium powder;
C. stirring the pearl fine calcium powder, the sodium metasilicate and the molybdenum disulfide at a high speed of 800rpm for 15-20min at 600-;
D. placing the pressed sheets into a muffle furnace for calcination under the condition of introducing air, wherein the calcination temperature is set to 1080-1200 ℃, and continuously calcining for 30-45 min;
E. cooling, grinding the calcined product, sieving with 800 mesh sieve to obtain pearl superfine calcium powder, adding antiseptic and heavy metal removing microbial inoculum, and mixing.
Preferably, in the step A, the pearl powder is obtained by crushing pearls; the pearl layer powder is composed of fine powder ground by a shell pearl layer.
Preferably, in the step C, the mass ratio of the pearl fine calcium powder, the sodium metasilicate and the molybdenum disulfide is 100: (5-8): (0.5-1.2).
Preferably, in the step C, the parameters of the die assembly are set as follows: the thickness is 1.5-2.2mm, the pressing time is 5-10min, the temperature is 280-350 ℃, and the pressure is 55-65 MPa.
Preferably, in the step E, the mass ratio of the pearl superfine calcium powder, the preservative and the heavy metal removal microbial inoculum is 100: (1-2): (0.1-0.3).
Preferably, in the step E, the heavy metal removal microbial inoculum is a microbial inoculum containing lactobacillus lactis strain lactocucustactismd-1.
More preferably, in the heavy metal removal microbial inoculum, the viable count of lactobacillus lactis LACTOCOCCUSLACTISMD-1 strain is more than or equal to 10 8 CFU/mL。
The lactobacillus lactis LACTOCOCCUSLACTISMD-1 is disclosed in Chinese invention patent CN 103773725A; the microbial inoculum has strong growth activity and specific growth rate under the low temperature condition, can generate bacteriocin with strong antibacterial activity, and is originally used for biological preservation; however, the inventor of the invention finds that the bactericide and the pearl calcium powder can be used together to remarkably improve the precipitation effect of heavy metals on the surfaces of fruits and vegetables.
Compared with the prior art, the invention has the advantages that: the invention relates to a preparation method of a calcined pearl calcium powder composition for cleaning vegetables, which comprises the following steps of firstly grinding pearl powder or pearl layer powder, cleaning with acid and drying; then calcining at 820-; then mixing with sodium metasilicate and molybdenum disulfide, adding phenolic resin for tabletting, then calcining again at 1080-1200 ℃, cooling, grinding to obtain pearl superfine calcium powder, finally adding a preservative and a heavy metal removal microbial inoculum, and uniformly mixing. The calcined pearl calcium powder composition for cleaning vegetables removes heavy metal ions through a common precipitation mechanism, has strong hydrophobicity to adsorb oil stains, can degrade most acidic pesticides due to alkalinity, and can adsorb and filter impurities due to small overall surface area of precipitate particles. In the invention, a special heavy metal removing microbial inoculum (lactobacillus lactis-1) is added into the calcined pearl calcium powder composition, so that the effect of removing heavy metals can be effectively improved by soaking in water in a short time.
Detailed Description
The technical solution of the present invention will be further specifically described below by way of specific examples. It is to be understood that the practice of the invention is not limited to the following examples, and that any variations and/or modifications may be made thereto without departing from the scope of the invention.
In the present invention, all parts and percentages are by weight unless otherwise specified, and the equipment and materials used are commercially available or commonly used in the art. The methods in the following examples are conventional in the art unless otherwise specified.
The reagents used in the following examples, unless otherwise specified, were purchased from conventional biochemical reagent stores. In the following examples, three replicates were set up for each quantification and the results were averaged.
Example 1
A preparation method of a calcined pearl calcium powder composition for cleaning vegetables comprises the following steps:
A. grinding pearl powder or nacreous layer powder, sieving with 120 mesh sieve to obtain pearl calcium powder, soaking and cleaning with 0.17% hydrochloric acid for 22min, washing to remove organic and inorganic impurities on the surface of the pearl calcium powder, washing with deionized water, and drying in oven;
B. heating pearl calcium powder in a muffle furnace to 835 ℃ under the condition of introducing air, keeping the temperature for 2 hours, cooling, grinding the calcined product, and sieving with a 325-mesh sieve to obtain pearl fine calcium powder;
C. stirring pearl fine calcium powder, sodium metasilicate and molybdenum disulfide at a high speed of 750rpm for 19min, uniformly stirring, heating to 225 ℃, adding phenolic resin, uniformly stirring, feeding into a die assembly, setting pressing time, temperature and pressure, and pressing to obtain a pressed sheet;
D. placing the pressed sheet into a muffle furnace for calcination under the condition of introducing air, wherein the calcination temperature is set to 1150 ℃, and continuously calcining for 35 min;
E. cooling, grinding the calcined product, sieving with 800 mesh sieve to obtain pearl superfine calcium powder, adding antiseptic and heavy metal removing microbial inoculum, and mixing.
In the step A, the pearl powder is obtained by crushing pearls; the pearl layer powder is composed of fine powder ground by a shell pearl layer.
In the step C, the mass ratio of the pearl fine calcium powder to the sodium metasilicate to the molybdenum disulfide is 100: 7: 0.8. in the step C, the parameters of the die assembly are set as follows: the thickness is 1.9mm, the pressing time is 7min, the temperature is 310 ℃, and the pressure is 60 MPa.
In the step E, the mass ratio of the pearl superfine calcium powder to the preservative to the heavy metal removal microbial inoculum is 100: 1.5: 0.2.
in the step E, the heavy metal removal microbial inoculum is a microbial inoculum containing lactobacillus lactis LACTOCOCCUSLACTISMD-1 strain; in the heavy metal removing microbial inoculum, the viable count of lactobacillus lactis LACTOCOCCUSLACTISMD-1 strain is 5 × 10 8 CFU/mL。
Example 2
A preparation method of a calcined pearl calcium powder composition for cleaning vegetables comprises the following steps:
A. grinding pearl powder or nacreous layer powder, sieving with 120 mesh sieve to obtain pearl calcium powder, soaking and cleaning with 0.2% hydrochloric acid for 15min, washing to remove organic and inorganic impurities on the surface of the pearl calcium powder, washing with deionized water, and drying in oven;
B. heating pearl calcium powder in a muffle furnace to 850 ℃ under the condition of introducing air, keeping the temperature for 1.5 hours, cooling, grinding a calcined product, and sieving by using a 325-mesh sieve to obtain pearl fine calcium powder;
C. stirring fine pearl calcium powder, sodium metasilicate and molybdenum disulfide at a high speed of 800rpm for 15min, uniformly stirring, heating to 250 ℃, adding phenolic resin, uniformly stirring, feeding into a die assembly, setting the pressing time, temperature and pressure, and pressing to obtain a pressed sheet;
D. placing the pressed sheets into a muffle furnace for calcination under the condition of introducing air, wherein the calcination temperature is set to 1080 ℃, and continuously calcining for 45 min;
E. cooling, grinding the calcined product, sieving with 800 mesh sieve to obtain pearl superfine calcium powder, adding antiseptic and heavy metal removing microbial inoculum, and mixing.
In the step A, the pearl powder is obtained by crushing pearls; the pearl layer powder is composed of fine powder ground by a shell pearl layer.
In the step C, the mass ratio of the pearl fine calcium powder to the sodium metasilicate to the molybdenum disulfide is 100: 5: 1.2. in the step C, the parameters of the die assembly are set as follows: the thickness is 1.5mm, the pressing time is 10min, the temperature is 280 ℃, and the pressure is 65 MPa.
In the step E, the mass ratio of the pearl superfine calcium powder to the preservative to the heavy metal removal microbial inoculum is 100: 1: 0.3.
in the step E, the heavy metal removing microbial inoculum is a microbial inoculum containing lactobacillus lactis LACTOCOCCUSLACTISMD-1 strain; in the heavy metal removing microbial inoculum, the viable count of lactobacillus lactis LACTOCOCCUSLACTISMD-1 strain is 2 x 10 8 CFU/mL。
Example 3
A preparation method of a calcined pearl calcium powder composition for cleaning vegetables comprises the following steps:
A. grinding pearl powder or nacreous layer powder, sieving with 120 mesh sieve to obtain pearl calcium powder, soaking and cleaning with 0.1% hydrochloric acid for 25min, washing to remove organic and inorganic impurities on the surface of the pearl calcium powder, washing with deionized water, and drying in oven;
B. heating pearl calcium powder in a muffle furnace to 820 ℃ under the condition of introducing air, keeping the temperature for 2.5 hours, cooling, grinding a calcined product, and sieving by using a 325-mesh sieve to obtain pearl fine calcium powder;
C. stirring fine pearl calcium powder, sodium metasilicate and molybdenum disulfide at a high speed of 600rpm for 20min, uniformly stirring, heating to 200 ℃, adding phenolic resin, uniformly stirring, feeding into a die assembly, setting the pressing time, temperature and pressure, and pressing to obtain a pressed sheet;
D. placing the pressed sheet into a muffle furnace for calcination under the condition of introducing air, wherein the calcination temperature is set to 1200 ℃, and continuously calcining for 30 min;
E. cooling, grinding the calcined product, sieving with 800 mesh sieve to obtain pearl superfine calcium powder, adding antiseptic and heavy metal removing microbial inoculum, and mixing.
In the step A, the pearl powder is obtained by crushing pearls; the pearl layer powder is composed of fine powder ground by a shell pearl layer.
In the step C, the mass ratio of the pearl fine calcium powder, the sodium metasilicate and the molybdenum disulfide is 100: 8: 0.5. in the step C, the parameters of the die assembly are set as follows: the thickness is 2.2mm, the pressing time is 5min, the temperature is 350 ℃, and the pressure is 55 MPa.
In the step E, the mass ratio of the pearl superfine calcium powder to the preservative to the heavy metal removal microbial inoculum is 100: 2: 0.1.
in the step E, the heavy metal removal microbial inoculum is a microbial inoculum containing lactobacillus lactis LACTOCOCCUSLACTISMD-1 strain; in the heavy metal removing microbial inoculum, the viable count of lactobacillus lactis LACTOCOCCUSLACTISMD-1 strain is 7 × 10 8 CFU/mL。
Comparative example 1
The lactobacillus lactis lactocucuacisismd-1 strain in example 1 was replaced with commercially available lactobacillus of camaiyi bioengineering limited, shandong, chinese family, and the rest of the formulation and preparation method were unchanged.
Comparative example 2
The lactobacillus lactis lactocucucrucismd-1 strain in example 1 was replaced with commercially available lactobacillus of Shandong Chuangshengji Tech Co., Ltd, and the rest of the formulation and preparation method were unchanged.
Comparative example 3
The lactic acid bacterium LACTOCOCCUSLACTISMD-1 strain in example 1 was removed, and the rest of the ratio and the preparation method were not changed.
Application example 1
Dividing 4L of water into 4 parts, wherein each part is 1L, adding 0.1g of the calcined pearl calcium powder composition of the example 1 and the comparative examples 1-3 into each group, mixing uniformly, soaking cucumbers sprayed with bacterial liquid, pesticide and heavy metal for 5 minutes, kneading, and washing with clear water for 1 time; another clear water group is set as a blank control; and a group of lactobacillus lactis Lactoccustard-1 inoculum added with the same amount of viable bacteria as in example 1 was set as a lactobacillus control. After 6 groups of cleaning, the bacteria number, pesticide retention condition and heavy metal retention condition in the last cleaning water are respectively detected, and specific detection data are shown in tables 1-3.
Before soaking and cleaning, the sprayed cucumber bacterial liquid contains Escherichia coli 6.0 x 10 6 CFU/mL; the pesticide sprayed on the cucumber contains 5000ppm of deltamethrin; heavy metal sprayed on cucumber contains Cu 2+ 1800ppm、Hg 2+ 2500ppm、Cr 6+ 800ppm。
Table 1: detection result of bacteria content on surface of cleaned cucumber
| Item | Escherichia coli content CFU/mL |
| Example 1 | 0 |
| Comparative example 1 | 0 |
| Comparative example 2 | 0 |
| Comparative example 3 | 0 |
| Blank control group | 2.8*10 3 |
| Control group of lactic acid bacteria | 2.9*10 3 |
Table 2: detection result of pesticide residue content on surface of cleaned cucumber
| Item | Residual content ppm of deltamethrin |
| Example 1 | 0 |
| Comparative example 1 | 0 |
| Comparative example 2 | 0 |
| Comparative example 3 | 0 |
| Blank control group | 617 |
| Control group of lactic acid bacteria | 622 |
Table 3: detection result of heavy metal residue content on surface of cleaned cucumber
| Item | Cu 2+ Residual content ppm | Hg 2+ Residual content ppm | Cr 6+ Residual content ppm |
| Example 1 | 1 | 5 | 3 |
| Comparative example 1 | 55 | 104 | 33 |
| Comparative example 2 | 53 | 102 | 32 |
| Comparative example 3 | 55 | 107 | 34 |
| Blank control group | 438 | 527 | 209 |
| Control group of lactic acid bacteria | 285 | 373 | 135 |
The test data show that the calcined pearl calcium powder composition has good removal effects on bacterial liquid and pesticide, and also on heavy metals; the lactobacillus lactis LACTOCOCCUSLACTISMD-1 strain added into the calcined pearl calcium powder composition has a very good heavy metal removal effect, and particularly has a better effect after being used together with the calcined pearl calcium powder composition.
The preparation method of the calcined pearl calcium powder composition for cleaning vegetables provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (4)
1. A preparation method of a calcined pearl calcium powder composition for cleaning vegetables comprises the following steps:
A. grinding pearl powder or nacreous layer powder, sieving with 120 mesh sieve to obtain pearl calcium powder, soaking and cleaning with 0.1-0.2% hydrochloric acid for 15-25min, washing to remove organic and inorganic impurities on the surface of the pearl calcium powder, cleaning with deionized water, and drying in oven;
B. heating the pearl calcium powder in a muffle furnace to 850 ℃ under the condition of introducing air, keeping the temperature for 1.5-2.5h, cooling, grinding the calcined product, and sieving with a 325-mesh sieve to obtain pearl fine calcium powder;
C. stirring the pearl fine calcium powder, the sodium metasilicate and the molybdenum disulfide at a high speed of 800rpm for 15-20min at 600-;
D. placing the pressed sheets into a muffle furnace for calcination under the condition of introducing air, wherein the calcination temperature is set to 1080-1200 ℃, and continuously calcining for 30-45 min;
E. cooling, grinding the calcined product, sieving with 800 mesh sieve to obtain pearl superfine calcium powder, adding antiseptic and heavy metal removing microbial inoculum, and mixing;
in the step E, the mass ratio of the pearl superfine calcium powder to the preservative to the heavy metal removal microbial inoculum is 100: (1-2): (0.1-0.3);
in the step E, the heavy metal removing microbial inoculum is a microbial inoculum containing lactobacillus lactis LACTOCOCCUSLACTISMD-1 strain;
in the heavy metal removing microbial inoculum, the viable count of lactobacillus lactis LACTOCOCCUSLACTISMD-1 strain is more than or equal to 10 8 CFU/mL。
2. The method for preparing a calcined pearl calcium powder composition for washing vegetables according to claim 1, wherein in the step a, the pearl powder is obtained by pulverizing pearls; the pearl layer powder is composed of fine powder ground by a shell pearl layer.
3. The method for preparing the calcined pearl calcium powder composition for washing vegetables according to claim 1, wherein in the step C, the mass ratio of the pearl fine calcium powder to the sodium metasilicate to the molybdenum disulfide is 100: (5-8): (0.5-1.2).
4. The method for preparing a calcined pearl calcium powder composition for vegetable washing according to claim 1, wherein in the step C, the parameters of the die assembly are set as follows: the thickness is 1.5-2.2mm, the pressing time is 5-10min, the temperature is 280-350 ℃, and the pressure is 55-65 MPa.
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